401614387 has 2 divisors, whose sum is σ = 401614388. Its totient is φ = 401614386.

The previous prime is 401614379. The next prime is 401614471. The reversal of 401614387 is 783416104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401614387 - 2³ = 401614379 is a prime.

It is a super-2 number, since 2×401614387² = 322588231690771538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401614327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200807193 + 200807194.

It is an arithmetic number, because the mean of its divisors is an integer number (200807194).

Almost surely, 2^401614387 is an apocalyptic number.

401614387 is a deficient number, since it is larger than the sum of its proper divisors (1).

401614387 is an equidigital number, since it uses as much as digits as its factorization.

401614387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 401614387 is about 20040.3190343867. The cubic root of 401614387 is about 737.7962112630.

The spelling of 401614387 in words is "four hundred one million, six hundred fourteen thousand, three hundred eighty-seven".